Added creat()

git-svn-id: svn://svn.cc65.org/cc65/trunk@2211 b7a2c559-68d2-44c3-8de9-860c34a00d81
2003-06-12 09:10:50 +00:00
parent 737bf33c38
commit 7c29033b58
2 changed files with 46 additions and 0 deletions
--- a/libsrc/common/creat.s
+++ b/libsrc/common/creat.s
@@ -0,0 +1,45 @@
+;
+; Ullrich von Bassewitz, 2003-06-12
+;
+; int __fastcall__ creat (const char* name, unsigned mode);
+;
+
+        .export         _creat
+        .import         _open
+        .import         pushax
+
+        .include        "fcntl.inc"
+
+
+; The call
+;
+;       creat (name, mode);
+;
+; is equivalent to
+;
+;       open (name, O_CREAT | O_WRONLY | O_TRUNC, mode);
+;
+
+
+.proc   _creat
+
+        pha
+        txa
+        pha                             ; Save mode
+
+        lda     #<(O_CREAT | O_WRONLY | O_TRUNC)
+        ldx     #>(O_CREAT | O_WRONLY | O_TRUNC)
+        jsr     pushax
+
+        pla
+        tax
+        pla
+        jsr     pushax                  ; Push mode on argument stack
+
+        ldy     #6                      ; Number of argument bytes
+        jmp     _open
+
+.endproc
+
+
+